panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0xb283260000, opte 0x70003efff
Starting stack trace...
panic(ffffffff830737b5) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd807ec5ad90,fffffd80079e6880,7f8059419288,b283251000,b283291000,0) at pmap_remove_pte
pmap_do_remove(fffffd807ec5ad90,b283251000,b283291000,0) at pmap_do_remove+0x533 sys/arch/amd64/amd64/pmap.c:1911
uvm_unmap_kill_entry_withlock(fffffd8070c7e6e0,fffffd80629828f8,0) at uvm_unmap_kill_entry_withlock+0x274 sys/uvm/uvm_map.c:1865
uvm_map_teardown(fffffd8070c7e6e0) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2498
uvmspace_free(fffffd8070c7e6e0) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422
reaper(ffff800029fd8008) at reaper+0x256 sys/kern/kern_exit.c:480
end trace frame: 0x0, count: 250
End of stack trace.